You'll notice
Useful3 Signal3
Quitting now warns you if an Artifact comment monitor started while you were exiting.
What's wrong with this entry?
Anonymous. No account, no email.
What
The double-escape and backgrounding confirmation gained a third case, for Artifact comment monitors that started after your first key press, alongside the existing warnings about unsent input text and running background tasks.
Evidence
started after you pressed
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
Related
Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.